chore: upgrade storage to v4

[loks0n]

Summary

• upgrade utopia-php/storage from v3 to v4
• migrate storage transfers to the new copy API
• update the test runtime to PHP 8.5

Testing

• composer validate --strict
• composer lint
• composer check
• PHPUnit unit suite: 64 tests, 386 assertions
• Dockerized full suite: 86 tests, 470 assertions

[greptile-apps]

Greptile Summary

Updates the project’s storage and test runtime dependencies.

• Upgrades utopia-php/storage from v3 to v4.
• Replaces the removed storage transfer() calls with the v4 copy() API in CSV and JSON sources and destinations.
• Updates the Dockerized test runtime from PHP 8.3 to PHP 8.5.

Confidence Score: 5/5

The PR appears safe to merge, with no concrete changed-code failure identified.

The dependency, runtime, and four storage API call sites are updated consistently, and no actionable compatibility, behavioral, or security defect remains established.

Important Files Changed

Filename	Overview
Dockerfile	Updates the test image to PHP 8.5, aligning it with the package’s declared PHP requirement.
composer.json	Expands the storage dependency requirement from v3 to v4.
composer.lock	Resolves utopia-php/storage to v4.0.0 with matching lockfile metadata.
src/Migration/Destinations/CSV.php	Migrates the staged CSV export operation from the removed transfer() API to copy().
src/Migration/Destinations/JSON.php	Migrates the staged JSON export operation from the removed transfer() API to copy().
src/Migration/Sources/CSV.php	Migrates CSV source downloads from the removed transfer() API to copy().
src/Migration/Sources/JSON.php	Migrates JSON source downloads from the removed transfer() API to copy().

_{Reviews (1): Last reviewed commit: "chore: upgrade storage to v4" | Re-trigger Greptile}